Home / 738,880.23-1,106,321.43-383,146.47

Finding the Fourth Proportional to 738,880.23, 1,106,321.43 and 383,146.47

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Solution

The fourth proportional to 738,880.23, 1,106,321.43 and 383,146.47 is: 573,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,880.23 : 1,106,321.43 = 383,146.47 : x
  2. Step 2: Convert to fraction form
    738,880.23/1,106,321.43 = 383,146.47/x
  3. Step 3: Cross multiply
    738,880.23x = 1,106,321.43 × 383,146.47
  4. Step 4: Simplify right side
    738,880.23x = 423,883,150,589.85
  5. Step 5: Solve for x
    x = 423,883,150,589.85/738,880.23
  6. Step 6: Final answer
    x = 573,683.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.